Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Marsturite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
© Leon Hupperichs

Show Marsturite Photos (10)



Formula:
NaCaMn
 
3
Si
 
5
O
 
14
(OH)
System:TriclinicColour:Tan
Hardness:6
Name:Named in 1978 by Donald Peacor and Pete Dunn in honor of Marion Butler Stuart [December 21, 1921 - July 26, 2000 Hailey, Idaho, USA], of Bellevue, Idaho, USA, amateur mineral collector and benefactor of mineralogical projects.
Isostructural with:Nambulite


The Na analogue of Lithiomarsturite.

Classification of Marsturite

IMA status:Approved
Strunz 8th edition ID:8/F.27-80
Nickel-Strunz 10th (pending) edition ID:9.DK.05

9 : SILICATES (Germanates)
D : Inosilicates
K : Inosilicates with 5-periodic single chains
Dana 8th edition ID:65.4.1.6

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
4 : Single-Width Unbranched Chains, W=1 with chains P=5
Hey's CIM Ref.:14.18.29

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
mindat.org URL:http://www.mindat.org/min-2581.html
Please feel free to link to this page.

Type Occurrence of Marsturite

Type Locality:Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Year of Discovery:1978
Geological Setting of type material:As a secondary mineral in cavities in fractures traversing massive -franklinite-willemite-zincite ore in a Precambrian Zn-Mn-Fe orebody hosted in the Franklin marble.
Associated Minerals at type locality:
Rhodonite

Physical Properties of Marsturite

Colour:Tan
Hardness (Mohs):6

Crystallography of Marsturite

Crystal System:Triclinic
Cell Parameters:a = 7.7Å, b = 12.03Å, c = 6.78Å
α = 85.26°, β = 94.1°, γ = 111.04°
Ratio:a:b:c = 0.64 : 1 : 0.564
Unit Cell Volume:V 583.57 ų (Calculated from Unit Cell)

Epitaxial Relationships of Marsturite

Epitaxial Minerals:
Rhodonite
MnSiO
 
3
Epitaxi Comments:Marsturite very frequently occurs grown epitaxially on bladed rhodonite crystals (Franklin, NJ).

Optical Data of Marsturite

Type:Biaxial (+)
RI values: nα = 1.686 nβ = 1.691 nγ = 1.708
2V:Measured: 60° , Calculated: 58°
Maximum Birefringence:δ = 0.022

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v weak

Chemical Properties of Marsturite

Formula:
NaCaMn
 
3
Si
 
5
O
 
14
(OH)
Essential elements:Ca, H, Mn, Na, O, Si
All elements listed in formula:Ca, H, Mn, Na, O, Si
Common Impurities:Fe,Mg

Relationship of Marsturite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.DK.05Babingtonite
Ca
 
2
(Fe,Mn)FeSi
 
5
O
 
14
(OH)
9.DK.05Lithiomarsturite
LiCa
 
2
Mn
 
2
Si
 
5
O
 
14
(OH)
9.DK.05Manganbabingtonite
Ca
 
2
(Mn,Fe)FeSi
 
5
O
 
14
(OH)
9.DK.05Nambulite
(Li,Na)Mn
 
4
Si
 
5
O
 
14
(OH)
9.DK.05Natronambulite
(Na,Li)(Mn,Ca)
 
4
Si
 
5
O
 
14
OH
9.DK.05Rhodonite
MnSiO
 
3
9.DK.05Scandiobabingtonite
Ca
 
2
(Fe
2+
 
,Mn)ScSi
 
5
O
 
14
(OH)
9.DK.05Fowlerite
9.DK.10Santaclaraite
CaMn
 
4
[Si
 
5
O
 
14
OH](OH) · H
 
2
O
9.DK.15Saneroite
Na
 
2
(Mn,Mn)
 
10
Si
 
11
VO
 
34
(OH)
 
4
9.DK.20Hellandite-(Y)
(Ca,Y)
 
6
(Al,Fe
3+
 
)Si
 
4
B
 
4
O
 
20
(OH)
 
4
9.DK.20Tadzhikite-(Ce)
(Ca,Ce)
 
4
(Ce,Y)
 
2
(Ti
4+
 
,Fe
3+
 
,Al)[B
 
4
Si
 
4
O
 
22
](OH)
 
2
9.DK.20Mottanaite-(Ce)
Ca
 
4
(CeCa)AlBe
 
2
(Si
 
4
B
 
4
O
 
22
)O
 
2
9.DK.20Ciprianiite
Ca
 
4
[(Th,U)(REE)]Al◻
 
2
(Si
 
4
B
 
4
O
 
22
)(OH,F)
 
2
9.DK.20Hellandite-(Ce)
(Ca,Ce)
 
6
(Al,Fe
3+
 
)Si
 
4
B
 
4
O
 
20
(OH)
 
4
Related Minerals - Hey's Index Grouping:

- +
14.18.1Nambulite
(Li,Na)Mn
 
4
Si
 
5
O
 
14
(OH)
14.18.2Natronambulite
(Na,Li)(Mn,Ca)
 
4
Si
 
5
O
 
14
OH
14.18.3Zakharovite
Na
 
4
Mn
 
5
Si
 
10
O
 
24
(OH)
 
6
 · 6H
 
2
O
14.18.4Norrishite
KLiMn
3+
2
(Si
 
4
O
 
10
)O
 
2
14.18.5Shafranovskite
(Na,K)
 
6
(Mn,Fe)
 
3
Si
 
9
O
 
24
 · 6H
 
2
O
14.18.6Abswurmbachite
CuMn
3+
6
(SiO
 
4
)O
 
8
14.18.7Donpeacorite
(Mn
2+
 
,Mg)Mg[SiO
 
3
]
 
2
14.18.8Kanoite
Mn
2+
 
(Mg,Mn
2+
 
)Si
 
2
O
 
6
14.18.9Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
14.18.10Gonyerite
(Mn
2+
 
,Mg)
 
5
Fe
3+
 
(Fe
3+
 
Si
 
3
O
 
10
)(OH)
 
8
14.18.11 Tirodite
14.18.12Manganhumite
(Mn
2+
 
,Mg)
 
7
(SiO
 
4
)
 
3
(OH)
 
2
14.18.13Bustamite
CaMn
2+
 
(Si
 
2
O
 
6
)
14.18.14Glaucochroite
CaMn
2+
 
SiO
 
4
14.18.15Truscottite
(Ca,Mn)
 
14
Si
 
24
O
 
58
(OH)
 
8
 · 2H
 
2
O
14.18.16Santaclaraite
CaMn
 
4
[Si
 
5
O
 
14
OH](OH) · H
 
2
O
14.18.17Ferrobustamite
Ca(Fe
2+
 
,Ca,Mn
2+
 
)(Si
 
2
O
 
6
)
14.18.18Johannsenite
CaMn
2+
 
Si
 
2
O
 
6
14.18.19Neltnerite
CaMn
3+
6
(SiO
 
4
)O
 
8
14.18.20Orlymanite
Ca
 
4
Mn
 
3
Si
 
8
O
 
20
(OH)
 
6
 · 2H
 
2
O
14.18.21Inesite
Ca
 
2
(Mn,Fe)
 
7
Si
 
10
O
 
28
(OH)
 
2
 · 5H
 
2
O
14.18.22Orientite
Ca
 
2
Mn
2+
 
Mn
3+
2
(Si
 
3
O
 
10
)(OH)
 
4
14.18.23Ruizite
Ca
 
2
Mn
3+
2
[(OH)
 
2
|H
 
2
Si
 
4
O
 
13
] · 2H
 
2
O
14.18.24Bostwickite
CaMn
 
6
Si
 
3
O
 
16
 · 7H
 
2
O
14.18.25Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
 · 9H
 
2
O
14.18.26Lithiomarsturite
LiCa
 
2
Mn
 
2
Si
 
5
O
 
14
(OH)
14.18.27Sérandite
Na(Mn
2+
 
,Ca)
 
2
(HSi
 
3
O
 
9
)
14.18.28Kvanefjeldite
Na
 
4
(Ca,Mn)(Si
 
3
O
 
7
)
 
2
(OH)
 
2
14.18.30Raite
Na
 
4
Mn
2+
3
Ti
 
0.25
Si
 
8
O
 
20
(OH)
 
2
 · 10H
 
2
O
14.18.31Richterite
{Na}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
14.18.32Byelorussite-(Ce)
NaBa
 
2
Ce
 
2
MnTi
 
2
[Si
 
4
O
 
12
]
 
2
O
 
2
(F,OH) · H
 
2
O
14.18.33Deerite
(Fe,Mn)
 
6
(Fe,Al)
 
3
[Si
 
6
O
 
17
]O
 
3
(OH)
 
5
14.18.34Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(SiO
 
4
)
 
3
14.18.35Pyroxmangite
MnSiO
 
3
14.18.36Dannemorite
14.18.37Neotocite
(Mn,Fe,Mg)SiO
 
3
 · H
 
2
O
14.18.38Babingtonite
Ca
 
2
(Fe,Mn)FeSi
 
5
O
 
14
(OH)
14.18.39Manganbabingtonite
Ca
 
2
(Mn,Fe)FeSi
 
5
O
 
14
(OH)
14.18.40Örebroite
Mn
2+
3
(Fe
3+
 
,Sb
5+
 
)(SiO
 
4
)(O,OH)
 
3

Other Names for Marsturite

Synonyms:
IMA1977-047
Other Languages:
German:Marsturit
Spanish:Marsturita

Other Information

Fluorescence in UV light:None.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Marsturite

Reference List:

- +
Peacor et al. (1978): American Mineralogist: 63: 1187-1189.

Dunn, P.J. & P.B. Leavens (1986): Mineralogical Record: 17: 123-125.

American Mineralogist (1990): 75: 413.

Dunn, P.J. (1995): Pt3: 440.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (2003): 132(4): 58.

U. Kolitsch (2008): Implications for the nomenclature of p-p hydropyroxenoids: the crystal structure of marsturite from the Molinello mine, Liguria, Italy. Poster, Annual Meeting of the DMG, Berlin, Germany, September 14-17, 2008; CD with abstracts, Abs. no. 120.

Internet Links for Marsturite

Search Engines:
  • Look for Marsturite on Google
  • Look for Marsturite images on Google
    • External Links:
  • Look for Marsturite on Webmineral
  • Look for Marsturite on Athena Mineralogy[Link Broken?]
  • Look for Marsturite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Marsturite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Fabre Minerals - search for Marsturite specimens
  • Buy from David K Joyce minerals
  • Search for Marsturite from all mineral dealers at minfind.com
  • By minerals from YourMineralCollection
  • Edwards Minerals - Fine Specimens
  • Search for minerals at Heliodor
  • Search for - Marsturite - on e-Rocks Mineral Sales & Auctions
  • The Arkenstone - Fine Minerals
  • Buy fine minerals and gemstones from Pala International
  • Find Marsturite on www.crystalclassics.co.uk
  • SpiriferMinerals.com - high quality low prices
  • Top quality minerals from Kristalle of California
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Marsturite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Italy
     
    • Liguria
      • Genova Province
        • Ne
          • Graveglia Valley
    		Palenzona, A. (1987): Tangeite e marsturite di Molinello (1a segnalazione). Rivista Mineralogica Italiana, 3/1987, 149-151; Mineral. Rec. 32: 356; U. Kolitsch (2008): Implications for the nomenclature of p-p hydropyroxenoids: the crystal structure of marsturite from the Molinello mine, Liguria, Italy. Poster, Annual Meeting of the DMG, Berlin, Germany, September 14-17, 2008; CD with abstracts, Abs. no. 120.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Gifu Prefecture
    		Matsubara et al (1990) Bulletin of the National Science Museum, 16, 79-89.
      • Kanto Region
        • Tokyo Prefecture
          • Nishi-Tama-gun
            • Okutama-cho
    		Matsubara et al (1990) Bulletin of the National Science Museum, 16, 79-89.
    USA
     
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Peacor, et al: Am.Min.:63:1187-1189 (1978); Dunn, P.J. & Leavens, P.B.: Min.Rec.:17:123-125 (1986); Dunn(1995):Pt3:440.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 2nd Dec 2011 19:24:04
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds